You observe a 0.8 M_⨀ white dwarf in a binary orbit around a main-sequence star of mass 1.4 M_⨀.Which of the following is most likely the original mass of the star that became the white dwarf?

Question

Quizplus · Accepted Answer

The original mass of the star that became the white dwarf was likely higher than its current mass due to mass loss during its evolution. A star with an initial mass of around 3 M_⨀ could evolve into a white dwarf of 0.8 M_⨀.

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